Leaderboards
Find out who is leading the fundraising charge for Australians impacted by rare cancer.
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Find out who is leading the fundraising charge for Australians impacted by rare cancer.
All
The Kosi Challenge is Rare Cancers Australia’s (RCA) major fundraising event. 2026 marks the 14th year of Kosi.
Your donation will make a difference. All donations over $2.00 are tax-deductible.
If you have any questions about the Kosi Challenge or RCA, please contact us.
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